1) (-)-epicatechin(EC)
表儿茶素(EC)
2) EC/C
表儿茶素/儿茶素
1.
We can locate the loss of CO2 and C2H2O in MS2 spectra from EC/C to A ring and B ring,respectively.
在二级质谱中,表儿茶素/儿茶素(EC/C)丢失的CO2发生在A环,丢失的C2H2O发生在B环。
3) epicatechin
[,epi'kætitʃin]
表儿茶素
1.
Detemination of epicatechin,rutin and quercetin in buckwheat by capillary electrophoresis with electrochemical detection;
毛细管电泳-电化学检测测定荞麦中表儿茶素、芦丁、槲皮素的含量
2.
Determination of Catechin and Epicatechin in NianMoKuiYang Buccal Tablet by HPLC;
高效液相色谱法测定黏膜溃疡含片中儿茶素和表儿茶素的含量
3.
Studies on the Contents of Catechin and Epicatechin in Catechu by HPLC;
儿茶药材中儿茶素和表儿茶素的高效液相色谱法分析研究
4) (-)-epicatechin
表儿茶素
1.
Determination of (+)-catechin and (-)-epicatechin of Futongshui by RP-HPLC;
HPLC法测定腹痛水中的儿茶素和表儿茶素的含量
2.
Determination of(+)-catechin and(-)-epicatechin and berberine hydrochloride in Wangying Capsule by RP-HPLC;
HPLC测定万应胶囊中儿茶素、表儿茶素和盐酸小檗碱的含量
3.
On the basis of chemical and spectral analysis,the compoundⅠwas identified as(-)-epicatechin belongs to flavan-3-ol.
采用95%(V/V)、50%(V/V)醇提荔枝核,经石油醚、乙酸乙酯、正丁醇依次萃取后,再利用硅胶柱层析等方法分离纯化,得到化合物Ⅰ,通过理化性质和波谱技术,鉴定为黄烷-3-醇类化合物表儿茶素。
5) (-)-epicatichin
(-)-表儿茶素
1.
Results: Four polyphones compounds were isolated as protocatechuic aldehyde(Ⅰ),protocatechuic acid(Ⅱ),daucosterol(Ⅲ) and(-)-epicatichin(Ⅳ).
结果:从荔枝核乙酸乙酯萃取物中分离鉴定了4个多酚类化合物,分别为原儿茶醛(Ⅰ)、原儿茶酸(Ⅱ)、胡萝卜苷(Ⅲ)和(-)-表儿茶素(Ⅳ)。
6) (-)-Epicatechin
(-)-表儿茶素
1.
Objective: To study the optimum process of(-)-epicatechin purification by HPD-100 macro-porous adsorption resin.
目的:探讨HPD-100大孔吸附树脂对(-)-表儿茶素纯化的最佳工艺。
2.
Methods The orthogonal test was used,in which the output of (-)-epicatechin was regarded as th e examining target and the influence of three factors in the extraction of effective substance were studied.
方法以(-)-表儿茶素含量为指标,采用正交试验法考察乙醇浓度、料液比、提取时间3个因素对提取效果的影响。
补充资料：表儿茶素
分子式：C15H14O6
分子量：290.27
CAS号：490-46-0
性质：熔点240°C。
分子量：290.27
CAS号：490-46-0
性质：熔点240°C。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条